agenttesla | 80d9a24ac09643fec02e6c44b6fc4c77390e7a068fa37c13c44f2e1a6962b89e

General

Target

Contract Signed...pdf...exe
Size

612KB
MD5

aaab701f2ebada6182830d00673ecddb
SHA1

1094c5284c99c7666ce8edc97d830d6d2c2037df
SHA256

80d9a24ac09643fec02e6c44b6fc4c77390e7a068fa37c13c44f2e1a6962b89e
SHA512

44a2e97de85b5b24dd1092922013e20eb69b045945e354b49f237edbf7f8587dd39c87432a99cc4ae7a8bdd4d77d1bf8df21530fc0b7a71d28f394ba694ba38d
SSDEEP

12288:vPGregKpG7hkBvU5EFcDqmf+d8LpCoCpAuL3ULCRSyCJ:v8egL7hkBvUOc+bETyAm3ULCRlu

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5810723995:AAFzOu_h50ZboqfLSMvb7-HvSrH1c76uDfA/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract Signed...pdf...exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract Signed...pdf...exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract Signed...pdf...exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1552 set thread context of 1716	1552	Contract Signed...pdf...exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1552	Contract Signed...pdf...exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	Contract Signed...pdf...exe
Token: SeDebugPrivilege	1716	Contract Signed...pdf...exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1716	Contract Signed...pdf...exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 1440	1552	Contract Signed...pdf...exe	27
PID 1552 wrote to memory of 1440	1552	Contract Signed...pdf...exe	27
PID 1552 wrote to memory of 1440	1552	Contract Signed...pdf...exe	27
PID 1552 wrote to memory of 1440	1552	Contract Signed...pdf...exe	27
PID 1552 wrote to memory of 1716	1552	Contract Signed...pdf...exe	28
PID 1552 wrote to memory of 1716	1552	Contract Signed...pdf...exe	28
PID 1552 wrote to memory of 1716	1552	Contract Signed...pdf...exe	28
PID 1552 wrote to memory of 1716	1552	Contract Signed...pdf...exe	28
PID 1552 wrote to memory of 1716	1552	Contract Signed...pdf...exe	28
PID 1552 wrote to memory of 1716	1552	Contract Signed...pdf...exe	28
PID 1552 wrote to memory of 1716	1552	Contract Signed...pdf...exe	28
PID 1552 wrote to memory of 1716	1552	Contract Signed...pdf...exe	28
PID 1552 wrote to memory of 1716	1552	Contract Signed...pdf...exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract Signed...pdf...exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract Signed...pdf...exe

C:\Users\Admin\AppData\Local\Temp\Contract Signed...pdf...exe
"C:\Users\Admin\AppData\Local\Temp\Contract Signed...pdf...exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Users\Admin\AppData\Local\Temp\Contract Signed...pdf...exe
  "C:\Users\Admin\AppData\Local\Temp\Contract Signed...pdf...exe"
  2⤵
  PID:1440
- C:\Users\Admin\AppData\Local\Temp\Contract Signed...pdf...exe
  "C:\Users\Admin\AppData\Local\Temp\Contract Signed...pdf...exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1716

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1552-54-0x0000000000D80000-0x0000000000E20000-memory.dmp

Filesize
640KB

Download
memory/1552-55-0x00000000009B0000-0x00000000009F0000-memory.dmp

Filesize
256KB

Download
memory/1552-56-0x00000000008F0000-0x0000000000904000-memory.dmp

Filesize
80KB

Download
memory/1552-57-0x00000000009B0000-0x00000000009F0000-memory.dmp

Filesize
256KB

Download
memory/1552-58-0x0000000000950000-0x000000000095C000-memory.dmp

Filesize
48KB

Download
memory/1552-59-0x0000000005720000-0x000000000578C000-memory.dmp

Filesize
432KB

Download
memory/1552-60-0x0000000004920000-0x0000000004952000-memory.dmp

Filesize
200KB

Download
memory/1716-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1716-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1716-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1716-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1716-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1716-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1716-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1716-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1716-71-0x0000000004E00000-0x0000000004E40000-memory.dmp

Filesize
256KB

Download
memory/1716-95-0x0000000004E00000-0x0000000004E40000-memory.dmp

Filesize
256KB

Download

Analysis

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